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Published byBertram Jennings Modified over 9 years ago
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The basic unit of structure for all living things!
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Theory – well tested hypothesis. 1.All living things are made up of cells. 2.Cells are the basic unit of structure and function in living things. 3.New cells come from existing cells.
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Prokaryotic Cell – cells that lack a membrane bound nucleus. Example: Bacteria
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Eukaryotic Cell – a cell that contains a membrane bound nucleus and many specialized structures called organelles “tiny organs”
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Single Celled – organisms made up of 1 cell (ex. amoeba, paramecium, euglena) Multicellular – organisms made up of many independent cells working together (plants and animals)
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Plant & Animal Cells
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Function – protection & controls what enters and leaves cell. Structure – double layered Phospholipid membrane
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Function – holds all organelles and nutrients. Structure – semi-solid fluid (water, proteins, various nutrients)
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Function – Protects the DNA Structure – phospholipid membrane (nuclear envelop) & internal fluid called nucleoplasm.
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Function – constructs lipids and special proteins (enzymes) for detoxification Structure – folded phospholipid membrane
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Function – modifies proteins and packages them to be shipped out. Structure – phospholipid membrane found in stacks.
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Function – power house of cell – place where food is broken down and turned into energy. Structure – phospholipid membrane
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Plant Cells Only Function – makes food (sugars) Structure – phospholipid membrane Function – protection and support Structure – cellulose (carbs.)
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Groups of similar cells working together.
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1. Epithelial Tissue – covers interior and exterior body surfaces. Skin
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2. Connective Tissue – provides support for the body and connects all of its parts.
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3. Nervous Tissue – transmit nerve impulses throughout the body.
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4. Muscle Tissue – enable the body to move.
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Groups of similar tissues working together. Groups of similar organs working together.
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Function – relays messages from one part of the body to another Structure – brain, spinal cord & peripheral nerves
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Function – serves as a barrier against infection Structure – skin
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Function – brings oxygen in and carbon dioxide out. Structure – nose, trachea, pharynx, bronchi and lungs
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Function – converts foods into molecules that can be used by body. Structure – mouth, esophagus, stomach, and intestines
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Function – Eliminates waste products Structure – skin, lungs, kidneys urinary tract
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Function – supports body,allows movement and produces blood cells. Structure – Bones
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Function – allows body to move. Structure – smooth muscle, cardiac muscle & skeletal muscle.
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Function – brings oxygen, nutrients, and chemical messengers to cells. Structure – heart and blood
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Function – regulates & controls the bodies functions Structure – glands
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Function – produces sperm & egg cells. Structure – testes & penis; ovaries, fallopian tubes, uterus and vagina.
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Function – protects the body from disease. Structure – white blood cells and lymph nodes
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